Two of the four pieces in the all-new, 2014 Ford Transit van’s powertrain lineup already were confirmed. Back in March, Ford revealed that the brand’s 3.5-liter EcoBoost V-6 would be the van’s upmarket option and earlier this week a 3.2-liter inline-five diesel also was announced. But it was really more like three of the four pieces were confirmed, as it was a no-brainer the 3.7-liter naturally aspirated V-6 that serves as the F-150’s base powerplant would be a part of the lineup; Ford now says it will serve as the base mill in the Transit. The company also revealed that the same six-speed automatic that features within the F-150 lineup will back up every engine option.

Ford was rather tight-lipped about output and torque figures for all of these powerplants, but we can take a look at output figures for all three of these engines in other applications for a rough idea of just how much oomph the new Transit will have. In the F-150, the 3.7-liter V-6 produces 302 hp and 278 lb-ft of torque and the 3.5-liter EcoBoost churns out 365 hp and 420 lb-ft, while the 3.2-liter Power Stroke diesel makes 197 hp and 347 lb-ft in the global-market Ranger. Ford says the numbers will change in the Transit, but not by much.

Ford also kept its fuel-economy estimates under wraps, but did say it expects the full-size van to deliver best-in-class fuel economy. That endeavor will be aided by the expected reduction in weight through the Transit’s unibody construction versus the outgoing Econoline’s body-on-frame. The powerplants will weigh less versus the E’s, too. Ford claims that the base V-6 cuts 100 pounds from the outgoing entry-level 4.6-liter V-8, while the EcoBoost 3.5 weighs 200 pounds less than the E-series’s Triton V-10. With all that weight savings and downsized engines, it shouldn’t be too difficult for Ford to improve upon the Econoline’s 13-mpg city and 17 highway numbers.